Home / 67,650.45-93,376.38-39,361.60

Finding the Fourth Proportional to 67,650.45, 93,376.38 and 39,361.60

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Solution

The fourth proportional to 67,650.45, 93,376.38 and 39,361.60 is: 54,329.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,650.45 : 93,376.38 = 39,361.60 : x
  2. Step 2: Convert to fraction form
    67,650.45/93,376.38 = 39,361.60/x
  3. Step 3: Cross multiply
    67,650.45x = 93,376.38 × 39,361.60
  4. Step 4: Simplify right side
    67,650.45x = 3,675,443,719.01
  5. Step 5: Solve for x
    x = 3,675,443,719.01/67,650.45
  6. Step 6: Final answer
    x = 54,329.92

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.